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arangodb/arangod/V8Server/V8PeriodicTask.cpp

89 lines
3.1 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#include "V8PeriodicTask.h"
#include <velocypack/Builder.h>
#include <velocypack/velocypack-aliases.h>
#include "Basics/json.h"
#include "Dispatcher/Dispatcher.h"
#include "Dispatcher/DispatcherFeature.h"
#include "V8Server/V8Job.h"
#include "VocBase/server.h"
using namespace arangodb;
using namespace arangodb::application_features;
using namespace arangodb::rest;
V8PeriodicTask::V8PeriodicTask(std::string const& id, std::string const& name,
TRI_vocbase_t* vocbase,
double offset, double period,
std::string const& command,
std::shared_ptr<VPackBuilder> parameters,
bool allowUseDatabase)
: Task(id, name),
PeriodicTask(id, offset, period),
_vocbase(vocbase),
_command(command),
_parameters(parameters),
_created(TRI_microtime()),
_allowUseDatabase(allowUseDatabase) {
TRI_ASSERT(vocbase != nullptr);
// increase reference counter for the database used
TRI_UseVocBase(_vocbase);
}
V8PeriodicTask::~V8PeriodicTask() {
// decrease reference counter for the database used
TRI_ReleaseVocBase(_vocbase);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief get a task specific description in JSON format
////////////////////////////////////////////////////////////////////////////////
void V8PeriodicTask::getDescription(VPackBuilder& builder) const {
PeriodicTask::getDescription(builder);
TRI_ASSERT(builder.isOpenObject());
builder.add("created", VPackValue(_created));
builder.add("command", VPackValue(_command));
builder.add("database", VPackValue(_vocbase->_name));
}
////////////////////////////////////////////////////////////////////////////////
/// @brief handles the next tick
////////////////////////////////////////////////////////////////////////////////
bool V8PeriodicTask::handlePeriod() {
std::unique_ptr<Job> job(new V8Job(
_vocbase, "(function (params) { " + _command + " } )(params);",
_parameters, _allowUseDatabase));
DispatcherFeature::DISPATCHER->addJob(job);
return true;
}